阿摩線上測驗
21. I ________ for more than 10 years, and now I am still taking English classes at school.
(A) study English
(B) studied English
(C) am studying English
(D) have been studying English
答案：登入後查看
統計： A(72), B(73), C(61), D(1531), E(0) #675648
統計： A(72), B(73), C(61), D(1531), E(0) #675648
